10070 Leap Year or Not Leap Year and ....cpp-bAqnj8D8.txt

#include<iostream>
using namespace std;
bool LeapYear(string str)
{
    int len = str.length();
    int div4 = (str.at(len-2)-48)*10 + (str.at(len-1)-48);
    bool div100 = false;
    if(str.at(len-1)==48 && str.at(len-2)==48)
        div100 = true;
    bool div400 = false;
    if(div100 == true && ((str.at(len-4)-48)*10 + (str.at(len-3)-48))%4 ==0)
        div400 = true;
    if ((div4%4 ==0 && div100 == false) || div400 == true)
        return true;
    else
        return false;
}
bool Huluculu(string str)
{
    int sum = 0;
    int len = str.length();
    for(int i=0; i<len; i++)
        sum = sum + (str.at(i)-48);
    if(sum%3 == 0 && (str.at(len-1)=='0' || str.at(len-1)=='5'))
        return true;
    else
        return false;
}
bool Bulukulu(string str)
{
    int len = str.length();
    int even=0,odd=0;
    for(int i=0;i<len;i+=2)
        even = even + (str.at(i)-48);
    for(int i=1;i<len;i+=2)
        odd = odd + (str.at(i)-48);
    if((even-odd)%11 == 0 && (str.at(len-1)=='0' || str.at(len-1)=='5'))
        return true;
    else
        return false;
}
int main()
{
	string year;int t=0;
	while(cin>>year){
		bool leap = LeapYear(year);
		bool hul = Huluculu(year);
		bool bul = Bulukulu(year);
		int p=0;
		if(t>0)
            cout<<endl;
		if(leap == true){
            cout<<"This is leap year."<<endl;
            p++;
		}
		if(hul == true){
            cout<<"This is huluculu festival year."<<endl;
            p++;
		}
		if(bul == true && leap == true){
            cout<<"This is bulukulu festival year."<<endl;
            p++;
		}
		if(p==0)
            cout<<"This is an ordinary year."<<endl;
		t++;
	}
	return 0;
}